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Merge pull request #2147 from ReinUsesLisp/texture-clean

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shader_ir: Remove "extras" from the MetaTexture
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bunnei 2019-03-10 17:28:36 -04:00 • committed by GitHub
commit 633ce92908
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 590 additions and 527 deletions
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56
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -5,7 +5,9 @@
#include <array>
#include <string>
#include <string_view>
#include <utility>
#include <variant>
#include <vector>
#include <fmt/format.h>
@ -717,7 +719,7 @@ private:
}
std::string GenerateTexture(Operation operation, const std::string& func,
bool is_extra_int = false) {
const std::vector<std::pair<Type, Node>>& extras) {
constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"};
const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
@ -738,36 +740,47 @@ private:
expr += Visit(operation[i]);
const std::size_t next = i + 1;
if (next < count || has_array || has_shadow)
if (next < count)
expr += ", ";
}
if (has_array) {
expr += "float(ftoi(" + Visit(meta->array) + "))";
expr += ", float(ftoi(" + Visit(meta->array) + "))";
}
if (has_shadow) {
if (has_array)
expr += ", ";
expr += Visit(meta->depth_compare);
expr += ", " + Visit(meta->depth_compare);
}
expr += ')';
for (const Node extra : meta->extras) {
for (const auto& extra_pair : extras) {
const auto [type, operand] = extra_pair;
if (operand == nullptr) {
continue;
}
expr += ", ";
if (is_extra_int) {
if (const auto immediate = std::get_if<ImmediateNode>(extra)) {
switch (type) {
case Type::Int:
if (const auto immediate = std::get_if<ImmediateNode>(operand)) {
// Inline the string as an immediate integer in GLSL (some extra arguments are
// required to be constant)
expr += std::to_string(static_cast<s32>(immediate->GetValue()));
} else {
expr += "ftoi(" + Visit(extra) + ')';
expr += "ftoi(" + Visit(operand) + ')';
}
} else {
expr += Visit(extra);
break;
case Type::Float:
expr += Visit(operand);
break;
default: {
const auto type_int = static_cast<u32>(type);
UNIMPLEMENTED_MSG("Unimplemented extra type={}", type_int);
expr += '0';
break;
}
}
}
expr += ')';
return expr;
return expr + ')';
}
std::string Assign(Operation operation) {
@ -1146,7 +1159,7 @@ private:
const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
ASSERT(meta);
std::string expr = GenerateTexture(operation, "texture");
std::string expr = GenerateTexture(operation, "texture", {{Type::Float, meta->bias}});
if (meta->sampler.IsShadow()) {
expr = "vec4(" + expr + ')';
}
@ -1157,7 +1170,7 @@ private:
const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
ASSERT(meta);
std::string expr = GenerateTexture(operation, "textureLod");
std::string expr = GenerateTexture(operation, "textureLod", {{Type::Float, meta->lod}});
if (meta->sampler.IsShadow()) {
expr = "vec4(" + expr + ')';
}
@ -1168,7 +1181,8 @@ private:
const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
ASSERT(meta);
return GenerateTexture(operation, "textureGather", !meta->sampler.IsShadow()) +
const auto type = meta->sampler.IsShadow() ? Type::Float : Type::Int;
return GenerateTexture(operation, "textureGather", {{type, meta->component}}) +
GetSwizzle(meta->element);
}
@ -1197,8 +1211,8 @@ private:
ASSERT(meta);
if (meta->element < 2) {
return "itof(int((" + GenerateTexture(operation, "textureQueryLod") + " * vec2(256))" +
GetSwizzle(meta->element) + "))";
return "itof(int((" + GenerateTexture(operation, "textureQueryLod", {}) +
" * vec2(256))" + GetSwizzle(meta->element) + "))";
}
return "0";
}
@ -1224,9 +1238,9 @@ private:
else if (next < count)
expr += ", ";
}
for (std::size_t i = 0; i < meta->extras.size(); ++i) {
if (meta->lod) {
expr += ", ";
expr += CastOperand(Visit(meta->extras.at(i)), Type::Int);
expr += CastOperand(Visit(meta->lod), Type::Int);
}
expr += ')';